Home / 3,894.68-5,375.35-2,301.26

Finding the Fourth Proportional to 3,894.68, 5,375.35 and 2,301.26

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Solution

The fourth proportional to 3,894.68, 5,375.35 and 2,301.26 is: 3,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.68 : 5,375.35 = 2,301.26 : x
  2. Step 2: Convert to fraction form
    3,894.68/5,375.35 = 2,301.26/x
  3. Step 3: Cross multiply
    3,894.68x = 5,375.35 × 2,301.26
  4. Step 4: Simplify right side
    3,894.68x = 12,370,039.56
  5. Step 5: Solve for x
    x = 12,370,039.56/3,894.68
  6. Step 6: Final answer
    x = 3,176.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.